CA1326056C - Lecteur optique avec compensation de la quantite de lumiere - Google Patents

Lecteur optique avec compensation de la quantite de lumiere

Info

Publication number
CA1326056C
CA1326056C CA000609431A CA609431A CA1326056C CA 1326056 C CA1326056 C CA 1326056C CA 000609431 A CA000609431 A CA 000609431A CA 609431 A CA609431 A CA 609431A CA 1326056 C CA1326056 C CA 1326056C
Authority
CA
Canada
Prior art keywords
optical beam
light
signal
light emission
providing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA000609431A
Other languages
English (en)
Inventor
Yoji Houki
Shunji Kitagawa
Shinichi Watarai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1326056C publication Critical patent/CA1326056C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1209—Intensity control of the optical beam
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Semiconductor Lasers (AREA)
CA000609431A 1988-08-26 1989-08-25 Lecteur optique avec compensation de la quantite de lumiere Expired - Fee Related CA1326056C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-212058 1988-08-26
JP63212058A JP2675827B2 (ja) 1988-08-26 1988-08-26 レーザ走査装置

Publications (1)

Publication Number Publication Date
CA1326056C true CA1326056C (fr) 1994-01-11

Family

ID=16616168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000609431A Expired - Fee Related CA1326056C (fr) 1988-08-26 1989-08-25 Lecteur optique avec compensation de la quantite de lumiere

Country Status (7)

Country Link
US (1) US5095319A (fr)
EP (1) EP0355839B1 (fr)
JP (1) JP2675827B2 (fr)
KR (1) KR930000694B1 (fr)
AU (1) AU612509B2 (fr)
CA (1) CA1326056C (fr)
DE (1) DE68914366T2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283681A (en) * 1989-04-28 1994-02-01 Canon Kabushiki Kaisha Scanning optical equipment
US5835121A (en) * 1995-04-21 1998-11-10 Xerox Corporation Pixel exposure control for a raster output scanner in an electrophotographic printer
US6011576A (en) * 1998-01-08 2000-01-04 Xerox Corporation Exposure control for a raster output scanner in a multicolor electrophotographic printer
JP2000033731A (ja) * 1998-07-17 2000-02-02 Citizen Watch Co Ltd 光プリンタにおける発光素子のキャリブレーション装置
US6332573B1 (en) 1998-11-10 2001-12-25 Ncr Corporation Produce data collector and produce recognition system
US6155489A (en) * 1998-11-10 2000-12-05 Ncr Corporation Item checkout device including a bar code data collector and a produce data collector
US6431446B1 (en) 1999-07-28 2002-08-13 Ncr Corporation Produce recognition system and method
US8067946B2 (en) * 2007-11-02 2011-11-29 Cooper Technologies Company Method for repairing a transmission line in an electrical power distribution system
KR100948459B1 (ko) 2007-11-29 2010-03-17 주식회사 하이닉스반도체 플래시 메모리 소자 및 그의 제조 방법
DE102009029234A1 (de) 2009-09-07 2011-03-10 Robert Bosch Gmbh Laserprojektor zur Fahrwerksvermessung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523439A (en) * 1975-06-26 1977-01-11 Dainippon Screen Mfg Co Ltd Safty appliance of light quantity for exposure at video scanning recor d
ATE19451T1 (de) * 1982-11-06 1986-05-15 Hell Rudolf Dr Ing Gmbh Verfahren zur einstellung und ueberwachung eines belichtungsflecks.
JPS59128517A (ja) * 1983-01-14 1984-07-24 Fuji Xerox Co Ltd 感光面上のレ−ザ光強度均一化装置
JPS6016058A (ja) * 1983-07-08 1985-01-26 Hitachi Ltd 光ビ−ム走査装置
DE3402115A1 (de) * 1984-01-24 1985-09-12 Heiner Dipl.-Ing. 3012 Langenhagen Stukenbrock Zeilenabtaster
JP2503202B2 (ja) * 1985-01-30 1996-06-05 株式会社リコー 半導体レ−ザの出力制御装置
JPS61277261A (ja) * 1985-05-31 1986-12-08 Toshiba Corp レ−ザプリンタ
JPH0422600Y2 (fr) * 1985-07-02 1992-05-25
JPS62226171A (ja) * 1986-03-28 1987-10-05 Toshiba Corp 像形成装置
JPS62184522U (fr) * 1986-05-14 1987-11-24
JPS63147174A (ja) * 1986-12-10 1988-06-20 Ricoh Co Ltd 光書込制御装置

Also Published As

Publication number Publication date
KR930000694B1 (ko) 1993-01-29
AU4008589A (en) 1990-05-31
JPH0260762A (ja) 1990-03-01
DE68914366T2 (de) 1994-07-28
EP0355839A2 (fr) 1990-02-28
AU612509B2 (en) 1991-07-11
JP2675827B2 (ja) 1997-11-12
KR900003697A (ko) 1990-03-26
US5095319A (en) 1992-03-10
EP0355839B1 (fr) 1994-04-06
DE68914366D1 (de) 1994-05-11
EP0355839A3 (fr) 1991-12-04

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